Effect of manure handling system, N fertilizer use and area of sugar beet on N surpluses from dairy farms in southern Sweden

2002 ◽  
Vol 138 (4) ◽  
pp. 403-413 ◽  
Author(s):  
CHRISTIAN SWENSSON
Keyword(s):  
Sugar Beet ◽  
Milk Yield ◽  
Crop Production ◽  
Mineral Fertilizer ◽  
Dairy Farms ◽  
Strong Relationship ◽  
Fertilizer N ◽  
Southern Sweden ◽  
Handling System ◽  
N Efficiency

Nitrogen balances from 283 conventional dairy farms situated in southern Sweden were investigated using the farm gate method. Nitrogen balances were determined for 1997 and 1998. Three N balances were calculated; for the whole farm, for crop production and for milk production. The aims of the investigation were to study if factors such as manure handling system, the amount of N obtained from mineral fertilizer per hectare and the proportion of sugar beet have an influence on the N balance. There was no significant effect of manure handling system on the N surplus per hectare or on N efficiency. The results showed that N efficiency was significantly improved by including sugar beet in the crop rotation and was negatively correlated with milk yield per hectare and fertilizer N per hectare. The N surplus per hectare was positively correlated with milk yield per hectare and fertilizer N per hectare. The comparison did not find a strong relationship between the amounts of N obtained from mineral fertilizer per hectare and supplied as manure. The latter was calculated theoretically. There was a weak, but significant, negative correlation between N from manure in 1997 and N from mineral fertilizer in 1998.

Nitrogen value of poultry litter applications to root crops and following cereal crops

2003 ◽  
Vol 140 (1) ◽  
pp. 53-64 ◽  
Author(s):  
F. A. NICHOLSON ◽  
B. J. CHAMBERS ◽  
P. M. R. DAMPNEY
Keyword(s):  
Sugar Beet ◽  
Poultry Litter ◽  
Cereal Crops ◽  
Fertilizer N ◽  
Mineral N ◽  
Total N ◽  
Available N ◽  
N Supply ◽  
N Efficiency ◽  
Application Rates

The efficiency of poultry litter nitrogen (N) utilization was studied in seven field experiments in eastern England during harvest years 1991 to 1994. Poultry litter was applied at different application rates in winter or spring, prior to sugar beet or potatoes. The mean manure N efficiency based on crop yields was 33% (range 25–43%) for sugar beet and 36% (range 13–66%) for potatoes. For potatoes, the manure N efficiency was greater from spring (mean 43%) than from winter application timings (mean 30%). The manure readily available N applied (i.e. ammonium-N+uric acid-N) and fertilizer N replacement values were well related (P<0·05) for both sugar beet and potatoes. Similarly, there was a good relationship (P<0·001) between the amounts of readily available N applied in the poultry litter dressings and measured elevations in spring soil mineral N supply. Where the poultry litter dressings supplied >600 kg/ha total N to sugar beet, root sugar concentrations were depressed (P<0·05) and amino-N concentrations increased (P<0·01). The soil mineral N supply following harvest of the sugar beet and potato crops was also increased where application rates supplied >600 kg/ha total N. Yield increases were also recorded in cereal crops grown the following season, but only where high rates of manure N (>600 kg/ha) had been applied. The current work has shown that the fertilizer N replacement value of poultry litter can be predicted based on the amounts of total and readily available N applied, providing guidance to farmers on appropriate reductions in inorganic fertilizer N applications to make allowance for poultry litter N supply.

scholarly journals Фотосинтетична продуктивність буряка цукрового залежно від рівнів удобрення та густоти стояння рослин в умовах західного Лісостепу

2018 ◽  
pp. 205-209
Author(s):  
М. Л. Тирусь
Keyword(s):  
Sugar Beet ◽  
Leaf Area ◽  
Plant Density ◽  
Leaf Surface ◽  
Mineral Fertilizer ◽  
Net Photosynthesis ◽  
Strong Relationship ◽  
Forest Steppe ◽  
Photosynthetic Productivity ◽  
Photosynthetic Potential

Висвітлено результати досліджень з вивчення впливу норм удобрення та густоти стояння рослин на показники фотосинтетичної продуктивності буряка цукрового в умовах Західного Лісостепу. Встановлено, що застосування густоти стояння рослин 120–130 тис. шт./га за норми N300P225K350  створювало кращі умови для формування і росту листків рослин буряка цукрового. Площа листків станом на 15 серпня була на 28634 м2/га більша порівняно до контрольного варіанту без мінерального удобрення за цієї ж густоти стояння. Оптимальна площа живлення рослин буряка цукрового та формування кращого асиміляційного апарату листкової поверхні за густоти 120–130 тис. шт./га за норми N300P225K350 зумовило найвищі показники продуктивності фото-синтезу: фотосинтетичний потенціал становив 1,46 млн м2 днів/га та чиста продуктивність фотосинтезу – 4,53 г сух. реч. на м2 лист. пов. за добу. Photosynthesis is the main physiological process that results in the formation of plant dry matter. Up to 90-95% of the accumulation of the dry mass of the sugar beet harvest during photosynthesis occurs in the leaves. The highest yields and the best yields can be obtained only in crops that have an optimal leaf area and with an optimal course of its formation, will be ensured by the rational use of mineral nutrition elements. For many years, the debate continues on changing the direction of the density of the standing of sugar beet plants with increased soil fertility due to fertilization. Depending on the amount of fertilizer applied, plant density can be adjusted. In the conditions of the western forest-steppe, a research was conducted to study the effect of fertilizer norms and plant density on the indicators of sugar beet photosynthetic productivity. It has been established that the use of plant density of 120-130 thousand pieces per hectare with the norm of N300P225K350 created the best conditions for the formation and growth of leaves of sugar beet plants. The area of leaves as of August 15 was 28,600 square meters per hectare more compared to the control variant without mineral fertilizer, with the same density of standing. Thickening of sowing to 140-150 thousand pieces per hectare led to a decrease in leaf area by 2-2.6 thousand square meters per hectare. The optimal area of nutrition of sugar beet plants and the formation of the best assimilation apparatus of the leaf surface for densities of 120-130 thousand pieces per hectare at a rate of N300P225K350 determined high rates of photosynthesis productivity: photosynthetic potential was 1.46 million m2 days / ha and net photosynthesis producti-vity – 4.53 g dry substances per square meter of leaf surface per day. As a result of the correlation analysis, a strong relationship between fertilizer levels and the photosynthetic potential of sugar beet plants (r = 0.98) and a weak direct relationship between fertilizer levels and net photosynthetic productivity (r = 0.28) was established.

Application of Remote Sensing in Agriculture

2014 ◽  
Vol 13 (1) ◽  
Author(s):  
Jan Piekarczyk
Keyword(s):  
Remote Sensing ◽  
Precision Agriculture ◽  
Crop Production ◽  
Satellite Images ◽  
Crop Yields ◽  
Spatial Scales ◽  
Strong Relationship ◽  
Physical Parameters ◽  
Agricultural Crop ◽  
Remote Sensing Methods

AbstractWith increasing intensity of agricultural crop production increases the need to obtain information about environmental conditions in which this production takes place. Remote sensing methods, including satellite images, airborne photographs and ground-based spectral measurements can greatly simplify the monitoring of crop development and decision-making to optimize inputs on agricultural production and reduce its harmful effects on the environment. One of the earliest uses of remote sensing in agriculture is crop identification and their acreage estimation. Satellite data acquired for this purpose are necessary to ensure food security and the proper functioning of agricultural markets at national and global scales. Due to strong relationship between plant bio-physical parameters and the amount of electromagnetic radiation reflected (in certain ranges of the spectrum) from plants and then registered by sensors it is possible to predict crop yields. Other applications of remote sensing are intensively developed in the framework of so-called precision agriculture, in small spatial scales including individual fields. Data from ground-based measurements as well as from airborne or satellite images are used to develop yield and soil maps which can be used to determine the doses of irrigation and fertilization and to take decisions on the use of pesticides.

Fodder legumes affecting sequential crop production and fertilizer N use efficiency

1985 ◽  
Vol 105 (1) ◽  
pp. 1-7 ◽  
Author(s):  
R. De ◽  
M. A. Salim Khan ◽  
M. S. Katti ◽  
V. Raja
Keyword(s):  
Pearl Millet ◽  
Crop Production ◽  
Cyamopsis Tetragonoloba ◽  
Fertilizer N ◽  
Available N ◽  
Yield Increase ◽  
Sudan Grass ◽  
Fodder Crops ◽  
Use Efficiency ◽  
Subsequent Crop

SUMMARYExperiments made with winter fodder crops, lucerne (Medicago sativa), berseem (Trifolium alexandrinum) and oats (Avena sativa) and summer fodder crops, cow pea (Vigna unguiculata), guar (Cyamopsis tetragonoloba), sunhemp (Crotolaria juncea) and pearl millet (Pennisetum americanum) showed that a sequential crop of Sudan grass yielded more after the legumes than after the cereal fodders, oats or pearl millet. The legume advantage was noted in the crop not given fertilizers but also when Sudan grass was given N fertilizer. The yield increase in Sudan grass grown after legumes was equivalent to 32–60 kg fertilizer N/ha applied to Sudan grass following pearl millet.After harvesting the legumes more available N and NO3-N was present in the soil and the apparent recovery of fertilizer N by a subsequent crop was increased by the legume.

The effects on milk yield and composition of incorporating lactose into the diet of dairy cows given protected fat

1996 ◽  
Vol 62 (1) ◽  
pp. 1-3 ◽  
Author(s):  
P. C. Garnsworthy
Keyword(s):  
Sugar Beet ◽  
Dairy Cows ◽  
Milk Yield ◽  
Milk Fat ◽  
Protein Concentration ◽  
Milk Protein ◽  
Basal Diet ◽  
Fat Supplementation ◽  
Holstein Friesian ◽  
Group A

AbstractTwenty-eight Holstein/Friesian dairy cows were divided into four groups of seven. From weeks 4 to 15 of lactation they were given a basal diet consisting of 8 kg hay, 2 kg sugar-beet feed and 2 kg grass nuts, together with a concentrate allowance of 8 kg/day. Concentrates for group A were based on cereals and soya (control). Concentrate B contained 60 g protected fat supplement per kg; concentrate C contained 100 g lactose per kg; concentrate D contained 60 g fat supplement and 100 g lactose per kg. Milk yields were 24·6, 27·7, 25·6 and 26·5 kg/day and milk protein concentrations were 32·3, 30·7, 32·7 and 31·9 g/kg for groups A, B, C and D respectively. The effect of fat supplementation on milk yield and protein concentration was significant (P < 0·05) but the effect of lactose was not significant. Milk fat concentration was not significantly affected by treatment. It is concluded that lactose can partially alleviate the depression in milk protein concentration often observed when cows are given protected fat.

scholarly journals Impact Of Genotypes And Parity On Reproductive And Productive Attributes In Dairy Cattle Of Natore District, Bangladesh

1970 ◽  
Vol 6 ◽  
pp. 91-96
Author(s):  
M Saiful Islam ◽  
Susanta Kumar Kundu
Keyword(s):  
Dairy Cattle ◽  
Dairy Cows ◽  
Milk Yield ◽  
Dairy Farms ◽  
Gestation Length ◽  
Overall Performance ◽  
Daily Milk Yield ◽  
Better Than ◽  
Daily Milk ◽  
Smallholder Dairy Farms

Impact of genotypes and parity on some vital reproductive and productive attributes in the local (L×L, n = 100) and four crossbred cows (L×F, L×SL, L×JR and L×S; n = 318) raised in randomly selected smallholder dairy farms scattered all over Natore District and adjacent areas have been assessed during a period from September 2007 to June 2010. With regard to reproductive attributes, significant differences existed among the cattle genotypes (P<0.05) except for gestation length (GL) and age at weaning (AW). The lowest age at puberty (AP) was found for L×F (21.42±0.37 months), while the highest for L×L (31.67±0.74 months). In terms of productivity, L×F cows produced the highest daily milk yield (DMY; 6.22±0.13 L), coupled with the highest total lactation yield (TLY; 2163.43±47.77 L), while L×L produced the lowest values (1.49±0.04 L and 416.40±12.3 L, respectively) for the traits. The effect of parity on both reproductive and productive attributes showed that the middle-aged dairy cows of the 3rd and 4th parities performed better than the younger (1st and 2nd parities) or the older (5th and beyond) ones. Considering the overall performance, the L×F cows could be ranked as the best genotype followed by their L×SL, L×JR, L×S and L×L counterparts in the study area. DOI: http://dx.doi.org/10.3329/jles.v6i0.9727 JLES 2011 6: 91-96

scholarly journals Effect of residual nitrogen and fertilizer nitrogen on sugar beet production in Finland

1974 ◽  
Vol 46 (3) ◽  
pp. 143-155
Author(s):  
Veikko Brummer ◽  
Erkki Aura
Keyword(s):  
Sugar Beet ◽  
Soil Nitrogen ◽  
Field Experiments ◽  
Sugar Content ◽  
Farmyard Manure ◽  
Ammonium Nitrogen ◽  
Early Summer ◽  
Fertilizer N ◽  
Residual Nitrogen ◽  
Residual Fertilizer N

Preliminary determinations for NO3- and NH4-N in topsoil from nitrogen field experiments are discussed. The amounts of residual nitrogen as well as the dates and depth for sampling are considerd in order to investigate the need of fertilizer-N for continuous sugar beet. Tops ploughed down as manure increased the available soil nitrogen by about 50 kg/ha. In practice nitrogen from fertilizer and farmyard manure given to previous beet crops seems to accumulate in the beet soils of Finland. The concentrations of nitrate and ammonium nitrogen in topsoil were low in the spring of 1972 and 1973. NO3-N increased in topsoil during the early summer, and the highest concentrations were found at the beginning of July. Starting from the middle of July the amount of NH4-N began to increase both in topsoil and in subsoil. With increasing amounts of nitrogen in the topsoil the sugar content decreases continuously. Also the α-amio N content of beets correlates with the soil nitrogen. There is experimental evidence that 150 180 kg/ha nitrate nitrogen in topsoil (residual + fertilizer N) in early July gives the best economic result. The effects of fertilizer and accumulated soil nitrogen on the sugar beet quality together with som other experimental data have been statistically analysed. Regression coefficients indicated that both forms of nitrogen affected the suger content, the α-amino N concentration and clear juice purity, in a similar way.

scholarly journals Length of productive life the cows of Simmental breed

2021 ◽  
Vol 213 (10) ◽  
pp. 31-39
Author(s):  
L. Ignat'eva ◽  
A. Sermyagin
Keyword(s):  
Milk Yield ◽  
Russian Federation ◽  
Negative Relationship ◽  
Strong Relationship ◽  
Cattle Breeding ◽  
Productive Life ◽  
The Russian Federation ◽  
The Republic ◽  
First Time ◽  
The Relationship

Abstract. The purpose of the research was to assess the duration of the length of productive life of Simmental cows. Methods. The research was carried out on Simmental cows bred in 14 regions of the Russian Federation, the total livestock was 8 832 heads. The calculation of the heritability coefficients and correlation (genetic and paratypic) was carried out by using the programs RENUMF90 and REMLF90. Results. A fairly strong relationship was established between the duration of a productive life (months) and the age of culling (lactations) r = +0.795, the length of productive life (months) and lifetime productivity within the range of +0.669…+0.714. However, the relationship between the age of culling (lactations) and lifetime productivity is moderate, from +0.261 to +0.316. A moderate negative relationship was obtained between the age of culling (lactations) and milk yield per first lactation from –0.472 to –0.486. The average relationship was found between milk yield per first lactation and lifetime productivity from +0.567 to +0.588. Cows of the Altai Territory (3.08 lactations or 61.6 months), the Republic of Mordovia (3.38 lactations or 62.4 months) and the Lipetsk region (3.40 lactations or 65.7 months) were distinguished by low age of culling. While the greatest length of productive life was noted in animals and Bryansk (5.48 lactations or 86.9 months) and Irkutsk regions (4.57 lactations or 77.1 months). Bryansk (23 630 kg of milk), Tyumen (18 156 kg) and Irkutsk (17 751 kg) regions occupied the leading positions in lifetime productivity of cows in the sample, while the outsiders were the regions of traditional cattle breeding - Altai Territory (12658 kg of milk), the Republic of Bashkiria (12 482 kg). Scientific novelty. For the population Simmental cattle of the Russian Federation, for the first time, an assessment of selection and genetic parameters of lifelong productivity and length of productive life of Simmental cows was carried out, depending on the breeding region.

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